1config MICROBLAZE
2	def_bool y
3	select HAVE_MEMBLOCK
4	select HAVE_FUNCTION_TRACER
5	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
6	select HAVE_FUNCTION_GRAPH_TRACER
7	select HAVE_DYNAMIC_FTRACE
8	select HAVE_FTRACE_MCOUNT_RECORD
9	select ARCH_WANT_OPTIONAL_GPIOLIB
10	select HAVE_OPROFILE
11	select HAVE_ARCH_KGDB
12	select HAVE_DMA_ATTRS
13	select HAVE_DMA_API_DEBUG
14	select TRACING_SUPPORT
15	select OF
16	select OF_EARLY_FLATTREE
17	select HAVE_GENERIC_HARDIRQS
18	select GENERIC_IRQ_PROBE
19	select GENERIC_IRQ_SHOW
20
21config SWAP
22	def_bool n
23
24config RWSEM_GENERIC_SPINLOCK
25	def_bool y
26
27config RWSEM_XCHGADD_ALGORITHM
28	bool
29
30config ARCH_HAS_ILOG2_U32
31	def_bool n
32
33config ARCH_HAS_ILOG2_U64
34	def_bool n
35
36config GENERIC_FIND_NEXT_BIT
37	def_bool y
38
39config GENERIC_FIND_BIT_LE
40	def_bool y
41
42config GENERIC_HWEIGHT
43	def_bool y
44
45config GENERIC_CALIBRATE_DELAY
46	def_bool y
47
48config GENERIC_TIME_VSYSCALL
49	def_bool n
50
51config GENERIC_CLOCKEVENTS
52	def_bool y
53
54config GENERIC_GPIO
55	def_bool y
56
57config GENERIC_CSUM
58	def_bool y
59
60config STACKTRACE_SUPPORT
61	def_bool y
62
63config LOCKDEP_SUPPORT
64	def_bool y
65
66config HAVE_LATENCYTOP_SUPPORT
67	def_bool y
68
69source "init/Kconfig"
70
71source "kernel/Kconfig.freezer"
72
73source "arch/microblaze/platform/Kconfig.platform"
74
75menu "Processor type and features"
76
77source "kernel/time/Kconfig"
78
79source "kernel/Kconfig.preempt"
80
81source "kernel/Kconfig.hz"
82
83config MMU
84	bool "MMU support"
85	default n
86
87config NO_MMU
88	bool
89	depends on !MMU
90	default y
91
92comment "Boot options"
93
94config CMDLINE_BOOL
95	bool "Default bootloader kernel arguments"
96
97config CMDLINE
98	string "Default kernel command string"
99	depends on CMDLINE_BOOL
100	default "console=ttyUL0,115200"
101	help
102	  On some architectures there is currently no way for the boot loader
103	  to pass arguments to the kernel. For these architectures, you should
104	  supply some command-line options at build time by entering them
105	  here.
106
107config CMDLINE_FORCE
108	bool "Force default kernel command string"
109	depends on CMDLINE_BOOL
110	default n
111	help
112	  Set this to have arguments from the default kernel command string
113	  override those passed by the boot loader.
114
115config SECCOMP
116	bool "Enable seccomp to safely compute untrusted bytecode"
117	depends on PROC_FS
118	default y
119	help
120	  This kernel feature is useful for number crunching applications
121	  that may need to compute untrusted bytecode during their
122	  execution. By using pipes or other transports made available to
123	  the process as file descriptors supporting the read/write
124	  syscalls, it's possible to isolate those applications in
125	  their own address space using seccomp. Once seccomp is
126	  enabled via /proc/<pid>/seccomp, it cannot be disabled
127	  and the task is only allowed to execute a few safe syscalls
128	  defined by each seccomp mode.
129
130	  If unsure, say Y. Only embedded should say N here.
131
132endmenu
133
134menu "Advanced setup"
135
136config ADVANCED_OPTIONS
137	bool "Prompt for advanced kernel configuration options"
138	help
139	  This option will enable prompting for a variety of advanced kernel
140	  configuration options.  These options can cause the kernel to not
141	  work if they are set incorrectly, but can be used to optimize certain
142	  aspects of kernel memory management.
143
144	  Unless you know what you are doing, say N here.
145
146comment "Default settings for advanced configuration options are used"
147	depends on !ADVANCED_OPTIONS
148
149config XILINX_UNCACHED_SHADOW
150	bool "Are you using uncached shadow for RAM ?"
151	depends on ADVANCED_OPTIONS && !MMU
152	default n
153	help
154	  This is needed to be able to allocate uncachable memory regions.
155	  The feature requires the design to define the RAM memory controller
156	  window to be twice as large as the actual physical memory.
157
158config HIGHMEM_START_BOOL
159	bool "Set high memory pool address"
160	depends on ADVANCED_OPTIONS && HIGHMEM
161	help
162	  This option allows you to set the base address of the kernel virtual
163	  area used to map high memory pages.  This can be useful in
164	  optimizing the layout of kernel virtual memory.
165
166	  Say N here unless you know what you are doing.
167
168config HIGHMEM_START
169	hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
170	depends on MMU
171	default "0xfe000000"
172
173config LOWMEM_SIZE_BOOL
174	bool "Set maximum low memory"
175	depends on ADVANCED_OPTIONS && MMU
176	help
177	  This option allows you to set the maximum amount of memory which
178	  will be used as "low memory", that is, memory which the kernel can
179	  access directly, without having to set up a kernel virtual mapping.
180	  This can be useful in optimizing the layout of kernel virtual
181	  memory.
182
183	  Say N here unless you know what you are doing.
184
185config LOWMEM_SIZE
186	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
187	default "0x30000000"
188
189config MANUAL_RESET_VECTOR
190	hex "Microblaze reset vector address setup"
191	default "0x0"
192	help
193	  Set this option to have the kernel override the CPU Reset vector.
194	  If zero, no change will be made to the MicroBlaze reset vector at
195	  address 0x0.
196	  If non-zero, a jump instruction to this address, will be written
197	  to the reset vector at address 0x0.
198	  If you are unsure, set it to default value 0x0.
199
200config KERNEL_START_BOOL
201	bool "Set custom kernel base address"
202	depends on ADVANCED_OPTIONS
203	help
204	  This option allows you to set the kernel virtual address at which
205	  the kernel will map low memory (the kernel image will be linked at
206	  this address).  This can be useful in optimizing the virtual memory
207	  layout of the system.
208
209	  Say N here unless you know what you are doing.
210
211config KERNEL_START
212	hex "Virtual address of kernel base" if KERNEL_START_BOOL
213	default "0xc0000000" if MMU
214	default KERNEL_BASE_ADDR if !MMU
215
216config TASK_SIZE_BOOL
217	bool "Set custom user task size"
218	depends on ADVANCED_OPTIONS && MMU
219	help
220	  This option allows you to set the amount of virtual address space
221	  allocated to user tasks.  This can be useful in optimizing the
222	  virtual memory layout of the system.
223
224	  Say N here unless you know what you are doing.
225
226config TASK_SIZE
227	hex "Size of user task space" if TASK_SIZE_BOOL
228	default "0x80000000"
229
230choice
231	prompt "Page size"
232	default MICROBLAZE_4K_PAGES
233	depends on ADVANCED_OPTIONS && !MMU
234	help
235	  Select the kernel logical page size. Increasing the page size
236	  will reduce software overhead at each page boundary, allow
237	  hardware prefetch mechanisms to be more effective, and allow
238	  larger dma transfers increasing IO efficiency and reducing
239	  overhead. However the utilization of memory will increase.
240	  For example, each cached file will using a multiple of the
241	  page size to hold its contents and the difference between the
242	  end of file and the end of page is wasted.
243
244	  If unsure, choose 4K_PAGES.
245
246config MICROBLAZE_4K_PAGES
247	bool "4k page size"
248
249config MICROBLAZE_8K_PAGES
250	bool "8k page size"
251
252config MICROBLAZE_16K_PAGES
253	bool "16k page size"
254
255config MICROBLAZE_32K_PAGES
256	bool "32k page size"
257
258endchoice
259
260endmenu
261
262source "mm/Kconfig"
263
264menu "Executable file formats"
265
266source "fs/Kconfig.binfmt"
267
268endmenu
269
270menu "Bus Options"
271
272config PCI
273	bool "PCI support"
274
275config PCI_DOMAINS
276	def_bool PCI
277
278config PCI_SYSCALL
279	def_bool PCI
280
281config PCI_XILINX
282	bool "Xilinx PCI host bridge support"
283	depends on PCI
284
285source "drivers/pci/Kconfig"
286
287endmenu
288
289source "net/Kconfig"
290
291source "drivers/Kconfig"
292
293source "fs/Kconfig"
294
295source "arch/microblaze/Kconfig.debug"
296
297source "security/Kconfig"
298
299source "crypto/Kconfig"
300
301source "lib/Kconfig"
302